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amm1812
3 years ago
7

In △CDE , DE=15 , CE=7 , and m∠E=38∘ .

Mathematics
1 answer:
Stels [109]3 years ago
5 0

Step-by-step explanation:

thanks for the question!!

I hope it helps you

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8th grade geometry part 3, please explain the steps :)))
Illusion [34]

Answer: Volume = 97.6

Step-by-step explanation:

Volume of the cone first

V = 1/3 h π r²

<u>h = 0.7</u>

<u>r = 2</u>

V = 1/3 × 0.7 × 2² × 3.14

V = 1/3 × 0.7 × 4 × 3.14

V = 1/3 × 8.792

V = 2.93

Then find the volume of the cylinder if the cone was there.

V = π r² h

<u>r = 2</u>

<u>h = 8 </u>

V = 3.14 × 2² × 8

V = 3.14 × 4 × 8

V = 3.14 × 32

V = 100.48

Now you subtract the volume of the cone from the cylinder.

100.48 - 2.93 = 97.55

Rounded to the nearest tenth is 97.6

Hope this was helpful, I know it is a lot to look at but I tried my best.

Also, can I get brainliest? I worked really hard on this.

7 0
2 years ago
Determine the equation of a line that has a slope-angle of 150° and goes through (4,0).
Softa [21]

The linear equation that has a slope-angle of 150° and goes through (4,0) is given by:

y = -0.577x + 2.308.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

The line has a slope-angle of 150°, hence the slope is:

m = tan(150º) = -0.577.

Hence:

y = -0.577x + b.

It goes through (4,0), hence:

0 = -0.577 x 4 + b

b = 2.308.

Hence the equation is:

y = -0.577x + 2.308.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

6 0
2 years ago
Randy has 2 tennis balls, 6 marbles, and 1 orange in his desk. What generalization can you make about these things
Lubov Fominskaja [6]
You can't eat them nor are they same size
the numbers don't seem to matter

they all seem to be round or spherical
I generalize that they all should be able to roll since they are spheres
3 0
3 years ago
Read 2 more answers
5. Use quadratic regression to find a quadratic equation that fits the given points 0 1 2 3 y 6.1 71.2 125.9 89.4​
aleksklad [387]

Answer:

- 9.4 {x}^{2}  + 65.1x - 7.5

8 0
3 years ago
Hun Lee is skateboarding and using energy at a rate of 400 kilocalories per hour. At what rate is Hun Lee using energy in minute
Helga [31]

Answer:6.66666 kilocalories  per hour

Step-by-step explanation:

7 0
3 years ago
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